Malicious PDF — malware analysis report

Static analysis result for SHA-256 089be0fdb0c07dac…

MALICIOUS

PDF

54.3 KB Created: 2021-06-04 00:40:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: beb721ea91bfe884a94bf075fbd51d74 SHA-1: b23095fb48eb6bdf56522604bdb07385348b59fc SHA-256: 089be0fdb0c07dacf6fd0df5bb1c96a599f56a102e5ffdcb5b8aa86bb23c0dff
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier. It employs a common phishing tactic by presenting an image-based lure, typical of screenshot lures, to entice users to click on an embedded URI. The primary URI, https://synerhu.ru/pbw?utm_term=culture+design+graphique+et+typographique+corrig%25C3%25A9+2019, is flagged as suspicious and likely leads to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6563

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 54 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://synerhu.ru/pbw?utm_term=culture+design+graphique+et+typographique+corrig%25C3%25A9+2019
    • https://cdn-cms.f-static.net/uploads/4481275/normal_604fc69421703.pdf
    • https://cdn-cms.f-static.net/uploads/4447085/normal_604fa4606e481.pdf
    • https://cdn-cms.f-static.net/uploads/4488135/normal_6018df1f2992e.pdf
    • https://cdn-cms.f-static.net/uploads/4374374/normal_603d72196d59f.pdf
    • https://static.s123-cdn-static.com/uploads/4368777/normal_5ff24811bc3f0.pdf
    • https://static.s123-cdn-static.com/uploads/4413126/normal_5fc6cefe8db18.pdf
    • https://uploads.strikinglycdn.com/files/ab174e73-39bd-412f-8167-d17e764cf676/dell_optiplex_gx620_motherboard_cpu_support.pdf
    • https://uploads.strikinglycdn.com/files/69b90234-b790-479d-8ac8-81f272b6d57c/the_secret_movie_review.pdf
    • http://bawamotijeku.pbworks.com/w/file/fetch/144560622/how_to_know_if_sudio_tolv_is_fully_charged.pdf
    • https://uploads.strikinglycdn.com/files/7a9c02fc-0b57-471c-a1ca-0e3c2b349516/rimejixale.pdf
    • http://katafuzum.pbworks.com/f/how_to_use_a_coleman_catalytic_heater.pdf
    • http://wixugigir.pbworks.com/w/file/fetch/144461709/minecraft_iron_man_mod_download.pdf
    • https://uploads.strikinglycdn.com/files/3a6bbc1f-aeaf-40b0-9a46-37460537a391/vufegesu.pdf
    • http://jozeluwofe.pbworks.com/w/file/fetch/144418794/47384843693.pdf
    • http://natizasex.pbworks.com/w/file/fetch/144578613/77863569307.pdf
    • https://uploads.strikinglycdn.com/files/6f42f3b7-830f-4c9f-8c3e-2f75fac0680e/53644515947.pdf
    • http://jitilabajeko.pbworks.com/f/revivir_huawei_p8_lite_android_6_flashear_ale-l23.pdf
    • http://serizedez.pbworks.com/f/47029788918.pdf
    • https://uploads.strikinglycdn.com/files/610353b0-5df3-43d1-8a40-61300291947a/79909672586.pdf

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